externalize entity converter

pull/9/head
Matthew Butterick 10 years ago
parent d02c19d560
commit 7dc3ba800b

@ -1,22 +1,10 @@
#lang racket/base
(require sugar txexpr racket/list racket/string pollen/world xml html racket/file racket/match)
(require sugar txexpr racket/list racket/string pollen/world xml html racket/file racket/match css-tools/html)
(define (attrs->pollen attrs)
(string-join (flatten (map (λ(pair) (list (format "'~a:" (car pair)) (format "\"~a\"" (cadr pair)))) attrs)) " "))
(define (decode-entity x)
(define entity-to-string (hash
'ldquo ""
'rdquo ""
'lsquo ""
'rsquo ""
'copy "©"
'nbsp " "
'mdash ""
'ndash ""))
(hash-ref entity-to-string x))
(define/contract+provide (xexpr->pollen x #:p-breaks [p-breaks #f])
((xexpr?) (#:p-breaks boolean?) . ->* . string?)
@ -27,7 +15,7 @@
(map ->string `(,world:expression-delimiter ,(get-tag x)
,@(if (not (null? (get-attrs x))) `("[" ,(attrs->pollen (get-attrs x)) "]") null)
,@(if (not (null? (get-elements x))) `("{" ,@(map loop (get-elements x)) "}" ) null))))]
[(symbol? x) (decode-entity x)]
[(symbol? x) (loop (entity->integer x))]
[(number? x) (format "~a" (integer->char x))]
[else x])))
@ -54,4 +42,5 @@
; (xexpr->pollen '(p ((class "foo")) "You are puppy"))
; (xexpr->pollen '(p ((class "foo")) "You are" "\n\n" "puppy"))
; (xexpr->pollen '(p ((class "foo")) "You are " (em "so") " puppy"))
(display (html->pollen #:p-breaks #t (file->string "index.html"))))
; (display (html->pollen #:p-breaks #t (file->string "index.html"))))
)
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